Home / 39,554,639.60-59,349,009.48-21,355,220.96

Finding the Fourth Proportional to 39,554,639.60, 59,349,009.48 and 21,355,220.96

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Solution

The fourth proportional to 39,554,639.60, 59,349,009.48 and 21,355,220.96 is: 32,042,036.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,554,639.60 : 59,349,009.48 = 21,355,220.96 : x
  2. Step 2: Convert to fraction form
    39,554,639.60/59,349,009.48 = 21,355,220.96/x
  3. Step 3: Cross multiply
    39,554,639.60x = 59,349,009.48 × 21,355,220.96
  4. Step 4: Simplify right side
    39,554,639.60x = 1,267,411,211,202,534.75
  5. Step 5: Solve for x
    x = 1,267,411,211,202,534.75/39,554,639.60
  6. Step 6: Final answer
    x = 32,042,036.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.